Table 8.
Comparison of the photoluminescence characteristics of the present BPML: Er/Nd composite with the related Er3+/Nd3+-doped based luminescent systems.
| Material | Thermal properties | Mechanical properties | Excitation (nm) |
Emission (nm) | Optical performance | Distinct advantages |
|---|---|---|---|---|---|---|
|
60B2O3-20Pb3O4-10MgF2-10LiF doped with 1 mol% Er3+, Nd3+, or Er3+/Nd3+ (Present Work) |
Good thermal stability; BPML: Er/Nd-2 exhibits the best thermal balance |
|
773 | 1550 (Er), 1550 (Nd), 1557 (Er/Nd) | Broadband NIR emission, efficient Er3+→Nd3+ energy transfer, Qf=38.97. | Simple borate-rich oxyfluoride glass with good thermal stability, enhanced predicted mechanical properties, and broadband 1.55 μm emission. |
|
TeO2-ZnO-WO3-Bi2O3 doped with Nd3+, Tm3+, Er3+23 |
 °C, excellent thermal stability |
ـــــــــ | 808 | 1340, 1480, 1530 | Broadband NIR (1300–1630 nm) | Excellent broadband emission but requires triple rare-earth doping and higher compositional complexity. |
| 50B2O3-20PbO-30CaO-0.5Er2O3-xNd2O3 (x = 0.25–1.5 mol% Nd2O3)87 | ـــــــــ | ـــــــــ | 808 | 840–1010 (centered at 885) | Nd-related broadband emission | Suitable mainly for radiation-shielding applications rather than telecommunication-band emission |
|
44P2O5-15ZnO-10Pb3O4-15NaF-15MgF2-1Er2O3 co-doped with Yb3+, Nd3+ or Ce3+88 |
188-190°C (Ce) |
Increased elastic moduli and hardness | 525 | 631, 748, 801, 1034, 1527 | Red and NIR emission through multi-ion energy transfer | Efficient visible and NIR laser emission, but requires multiple sensitizer ions |
| (55-x) B2O3-10SiO2-25Gd2O3-10CaO-xNd2O3 (x = 0–2.5 mol%)24 | ـــــــــ | ـــــــــ | 808, 885 | 903, 1059, 1334 | Strong Nd3+ laser emission | Suitable mainly for laser applications with discrete Nd3 + transitions |
